[GRASS-user] automating map production in Grass

[Moritz Lennert]

On 21/02/08 00:08, Alysson Whitlam wrote:
> Hi,
>  
> I am just beginning to work with Grass, although I am fairly experienced 
> with ArcGIS, including scripting for map production and geoprocessing 
> (Python and VBA). Basically, I am looking to automate map production in 
> Grass, using a script (Python or Perl preferably?). (I have to output 
> several hundred maps, based on sections of a polygon layer). Since I am 
> just beginning to use Grass, I am wondering if anyone could please give 
> me an idea if this type of task can be accomplished in Grass.

ps.map is probably the best candidate for scripting, i.e. creating 
ps.map instruction files on the fly, then running ps.map on them to 
create ps files.

Attached an example script for map production combining some 
postgresl-plr magic (using R functions to decide on class breaks) with 
d.vect.thematic's psmap option and ps.map. It should give you an idea of 
how to do such scripting. It obviously all depends on the types of maps 
you are speaking about.

You can loop through maps and variables and call this script at each turn.

Note the line "echo "read 
/home/mlennert/ULB/Templates/igeat_a4p_BEL.psmap">> $variable.psmap"

The file igeat_a4p_BEL.psmap contains generic layout features such as 
paper size, legend, scalebar and institutional logo placement.

Moritz
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